The mobility of holes is ______ mobility of electrons in intrinsic semiconductors.a)Equalb)Greater thanc)Less thand)TwiceCorrect answer is option 'C'. Can you explain this answer? - EduRev Electronics and Communication Engineering (ECE) Question

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The mobility of holes is ______ mobility of electrons in intrinsic semiconductors.

a)
Equal
b)
Greater than
c)
Less than
d)
Twice

Correct answer is option 'C'. Can you explain this answer?

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The mobility of holes is ______ mobility of electrons in intrinsic sem...

Semiconductor:

Semiconductors are materials that have a conductivity between conductors and insulators.
- Semiconductors are made of compounds such as gallium arsenide or pure elements, such as germanium or silicon.
Holes and electrons are the types of charge carriers accountable for the flow of current in semiconductors.
- Holes (valence electrons) are the positively charged electric charge carrier whereas electrons are the negatively charged particles.
Intrinsic semiconductors are made of pure elements.
The mobility of electrons and holes depends on their effective masses. The effective mass of electrons is less than that of holes hence electrons have higher mobility than holes.

Hence, option 3 is correct.

Answered by Gate Gurus · View profile

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